Title :
Passband flattening and broadening techniques for high spectral efficiency wavelength demultiplexers
Author :
Churin, E.G. ; Bayvel, P.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK
fDate :
1/7/1999 12:00:00 AM
Abstract :
Cancellation of the wavelength dependent image shift in demultiplexers, resulting in significant bandwidth increase, is described. Additional passband flattening using a Fabry-Perot filter is proposed. Spectral efficiencies greater than 90% can be achieved with a very low crosstalk
Keywords :
demultiplexing equipment; optical crosstalk; optical filters; photonic switching systems; wavelength division multiplexing; Fabry-Perot filter; high spectral efficiency; low crosstalk; passband broadening technique; passband flattening technique; spectral efficiency; wavelength demultiplexers; wavelength dependent image shift cancellation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990060
